before the battle of northpoint, that baltimore would have fallen. they were unprepared. they were demoralized. what happened after washington, it galvanized americans. everybody wanted to pay back. especially those who had been in the area. so when the british descended on baltimore, three weeks later, after having been in washington, there were 15,000 defendants. they'd swarmed in from surrounding counties and eastern pennsylvania and virginia. old men, young men. it was raining hard. the eastern hills, which were heavily fortified, were slashed with sudden trenches and even though the men were wet and tired and hungry, they were itching for payback. that's what it did. it fired them up. >> we talk about the burning of washington and wonderful pictures we have seen from the national portrait gallery but the building survived, the capitol survived. the white house survived. how badly were those buildings damaged? >> the capitol, a lot of it survived because beck benjamin harry latrobe, commissioner of public buildings in connection with the capitol,